CN103314224A - Thrust sliding bearing and mounting structure of strut-type suspension using said thrust sliding bearing - Google Patents
Thrust sliding bearing and mounting structure of strut-type suspension using said thrust sliding bearing Download PDFInfo
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- CN103314224A CN103314224A CN2011800641772A CN201180064177A CN103314224A CN 103314224 A CN103314224 A CN 103314224A CN 2011800641772 A CN2011800641772 A CN 2011800641772A CN 201180064177 A CN201180064177 A CN 201180064177A CN 103314224 A CN103314224 A CN 103314224A
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- tubulose
- ring
- annular base
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/74—Sealings of sliding-contact bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
- B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
- B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
- B60G15/067—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit
- B60G15/068—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit specially adapted for MacPherson strut-type suspension
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
- F16C17/18—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with floating brasses or brushing, rotatable at a reduced speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/128—Damper mount on vehicle body or chassis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/418—Bearings, e.g. ball or roller bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/30—Fluoropolymers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/76—Polyolefins, e.g. polyproylene [PP]
- F16C2208/78—Polyethylene [PE], e.g. ultra-high molecular weight polyethylene [UHMWPE]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/05—Vehicle suspensions, e.g. bearings, pivots or connecting rods used therein
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/53—Spring-damper, e.g. gas springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Sliding-Contact Bearings (AREA)
- Fluid-Damping Devices (AREA)
Abstract
A thrust sliding bearing (1) is provided with a synthetic resin lower case (2), a synthetic resin upper case (3) superimposed on the lower case (2), and a synthetic resin thrust sliding bearing piece (4) disposed between the upper case (3) and the lower case (2).
Description
Technical field
The present invention relates to a kind of thrust slide bearing of synthetic resin supporting, and relate more specifically to suitably bring thrust slide bearing in the four-wheel car and the mounting structure that uses the column support type suspension of this thrust slide bearing into as the thrust slide bearing of column support type suspension (Mai Fuxun type).
Background technique
Generally speaking, the column support type suspension mainly is used in the front-wheel of four-wheel car, and has such structure: wherein strut assemblies comprises with main shaft and forms hydraulic damper in the outer cylinder body of one, this strut assemblies and disc spring assembly.In these suspensions, (1) such one type structure is arranged: wherein the axis of disc spring is offset effectively with respect to the axis of pillar, thereby the piston rod that allows to be included in the vibration damper in this pillar is realized smooth-going slip, and (2) have the structure of another type: wherein the axis of disc spring is arranged with the axis of pillar with aiming at.In the suspension of these two kinds of structures, bearing is arranged between the upper spring seat of the assembling set of motor vehicle body and disc spring, thereby realizes smooth-going rotation when strut assemblies is rotated with disc spring by steering operation.
In addition, this bearing needs supporting body load (thrust load), allow simultaneously because the radial load that above-mentioned suspension frame structure causes smooth-goingly, namely, under the situation of last structure, because the axis of disc spring is with respect to the journal offset of pillar, even under static state, also can be owing to disc spring produces radial load along the restoring force of the axial direction of pillar; Under the situation of back one structure, because the axis of pillar must be difficult during fabrication with the axis of disc spring layout aligned with each other, radial load also can take place in the misalignment that causes thus.
The prior art document
Patent documentation
Patent documentation 1:JP-A-2002-257146
Patent documentation 2:JP-A-2004-225754
Summary of the invention
The problem to be solved in the present invention
As the above-mentioned thrust slide bearing that allows thrust load and radial load smooth-goingly, proposed a kind of thrust slide bearing, its lower shell body of being made by synthetic resin, be stacked in synthetic resin is made on this upper shell upper shell, constitute (patent documentation 1 and patent documentation 2) between the dish type thrust sliding bearing that synthetic resin between upper shell and the lower shell body is made and the radial bearing that synthetic resin is made between upper shell and lower shell body.
But, exist the situation that can not guarantee between the set car body side assembling set of thrust slide bearing and upper springs seat, to be useful on the space that radially outward installs.In addition, also have economic problems, namely owing to use two supporting members, i.e. thrust sliding bearing and radial sliding bearing, thereby the increase of the cost that will bear.
Consider that above-mentioned each side has designed the present invention, and its objective is provides a kind of thrust slide bearing, it can be by not using radial sliding bearing forms in upper shell and lower shell body and radially slides support and assign to make radial dimension less, thereby overcomes the problem of installing space and overcome economic problems.
The method of dealing with problems
Sliding dynamic bearing according to the present invention comprises: the lower shell body that synthetic resin is made, be stacked in the thrust sliding bearing that upper shell that the synthetic resin on the lower shell body makes and the synthetic resin between upper shell and lower shell body are made; Wherein lower shell body comprises: annular base, this annular base have annular upper surface and annular lower surface and tubulose minor diameter internal surface, tubulose major diameter internal surface and be arranged in annular upper surface and annular lower surface between cylindrical outer surface, and have the first ring-shaped depression part that is arranged on the annular upper surface; Small diameter bore, this small diameter bore are limited by the tubulose minor diameter internal surface of annular base and at the annular lower surface place of annular base opening; Large diameter hole, this large diameter hole are limited by the tubulose major diameter internal surface of annular base and at the annular upper surface place of annular base opening; Extend from tubulose minor diameter internal surface at annular shoulder surface, this annular shoulder surface place, all ends in the annular of tubulose minor diameter internal surface, and extend from tubulose major diameter internal surface at the annular peripheral end place of tubulose major diameter internal surface; Annular protruding portion, this annular protruding portion is outstanding from the underpart radially outward of cylindrical outer surface; Tubulose projection, this tubulose projection are arranged on the annular upper surface of annular protruding portion and join by the annular upper surface association of its tubular inner surface and cylindrical outer surface and annular protruding portion and limit the second ring-shaped depression part; And annular cooperation projection, this annular cooperates projection outstanding from the tubular outer surface radially outward of tubulose projection; Wherein upper shell comprises: the annular base plate part; The inner tubular part that suspends, this inner tubular part that suspends is arranged to suspend downwards from the annular upper surface of annular base plate part on the tubular inner surface of annular base plate part integratedly, and limits the center hole concentric with small diameter bore by its tubular inner surface; The heavy wall outer tubular part that suspends, this heavy wall outer tubular suspends and partly is arranged to integratedly suspend from the annular upper surface of annular base plate part on the tubular outer surface of annular base plate part, and the lower annular end surface of tubular suspension part is extended internally, and has cylindrical form interior surface downwards; The 3rd ring-shaped depression part, the 3rd ring-shaped depression part is limited by annular lower surface, the inner tubular of annular base plate part the suspend cylindrical form interior surface of part of the tubular outer surface of part and outer tubular that suspends; Inner tubular vertical wall segments and outer tubular vertical wall segments, this inner tubular vertical wall segments and outer tubular vertical wall segments from outer tubular suspend the part lower annular end surface arrange downward vertically; Fourth Ring shape sunk part, this Fourth Ring shape sunk part by outer tubular suspend the part lower annular end surface, the tubular outer surface of inner tubular vertical wall segments and the tubular inner surface of outer tubular vertical wall segments limit; The annular mating part, this annular mating part is outstanding downwards from the lower annular end surface of outer tubular vertical wall segments; And loop-hook part, this loop-hook part is radially inwardly outstanding from the tubular inner surface of annular mating part, and wherein the thrust sliding bearing is arranged in the 3rd ring-shaped depression part, its annular upper surface is contacted slidably with the annular lower surface of restriction the 3rd ring-shaped depression part of annular base plate part, the thrust sliding bearing also is arranged in first ring-shaped depression part, its annular lower surface is contacted slidably with the ring-shaped depression part bottom surface of restriction first ring-shaped depression part of annular base, make the annular upper surface of annular base of the annular lower surface of annular base plate part of upper shell and lower shell body be spaced apart from each other, upper shell is stacked on the lower shell body, make that the suspend lower annular end surface of part of the inner tubular of upper shell is surperficial relative with annular shoulder, and gapped therebetween; Make at the radial direction wall thickness and contact slidably with the cylindrical outer surface of the annular base of lower shell body greater than inner tubular the suspend cylindrical form interior surface of part of the outer tubular of upper shell of part that suspends; The inner tubular vertical wall segments of upper shell is arranged in second ring-shaped depression part; And the loop-hook of upper shell part flexibly is fitted into annular and cooperates projection; Cooperate projection by the tubulose projection and the tubulose that are arranged on the inner tubular vertical wall segments in second ring-shaped depression part and be arranged in the shape sunk part of Fourth Ring thus, the cylindrical outer surface of annular base with respect to outer tubular suspend for the cylindrical form interior surface of part the equipped part of elasticity and slidably form hermetic unit based on the labyrinth effect between the contact segment.
According to thrust slide bearing of the present invention, annular upper surface by being arranged on the thrust sliding bearing in the first and the 3rd ring-shaped depression part and smooth-going slip between the annular lower surface of the annular base plate part of upper shell allow between upper shell and the lower shell body along the relatively rotating of thrust load direction, and suspend smooth-going slip between the cylindrical outer surface of annular base of cylindrical form interior surface partly and lower shell body of the outer tubular by upper shell allows between upper shell and the lower shell body radially relatively rotating of load direction.
In addition, according to thrust slide bearing of the present invention, thrust sliding bearing part is made of the annular upper surface of thrust sliding bearing and the annular base plate annular lower surface partly of upper shell, and allow between upper shell and the lower shell body smooth-going slip in relative rotation with respect to the thrust load direction, because this thrust sliding bearing partly is positioned at the annular upper surface top based on the hermetic unit of labyrinth effect and lower shell body, so can prevent from practice invading thrust sliding bearing part such as the foreign matter of dust from the inner periphery and the outer periphery surface side, make it possible to thus to avoid such as because these foreign matters are invaded the trouble the inordinate wear of the thrust sliding bearing part that causes as far as possible.In addition, radially sliding supporting portion is made of the suspend cylindrical outer surface of annular base of the cylindrical form interior surface of part and lower shell body of the outer tubular of upper shell, and allow between upper shell and the lower shell body smooth-going slip in relative rotation with respect to the radial load direction, by the hermetic unit based on the labyrinth effect, can prevent from practice invading the radial sliding bearing part such as the foreign matter of dust from the outer surface side as far as possible, also can avoid the trouble such as invade the inordinate wear that radially slides supporting portion that causes owing to these foreign matters thus.
In thrust slide bearing according to the present invention, specifically, the synthetic resin that is used to form the thrust sliding bearing between upper shell and lower shell body should preferably have self lubricity, and the synthetic resin that is used to form upper shell and lower shell body mechanical property excellence preferably, such as wear-resisting, antidetonation, comprise the sliding properties of creep resistance and rigidity.Specifically, upper shell and lower shell body should preferably be made by the thermoplasticity synthetic resin such as polyacetal resin, polyamide resin, polyester resin.Simultaneously, the thrust sliding bearing should be preferably by making such as polyethylene resin, fluororesin or analog.
A kind of for will be installed to the mounting structure of car body for the column support type suspension of motor vehicle by above-mentioned thrust slide bearing, described column support type suspension is equipped with hydraulic damper and is arranged to center on the disc spring of described hydraulic damper, described mounting structure comprises: be used for the upper springs holding device that piston rod with hydraulic damper is installed to the erecting device of car body and is used for admitting disc spring, thrust-bearing is between erecting device and upper springs holding device, wherein erecting device comprises: the car body assembling set, this car body assembling set comprises annular planar part and cylindrical shape projection, annular planar is fixed to the car body side, and the cylindrical shape projection is outstanding and by perimeter surface limited hole in it downwards integratedly from the annular inner edge of annular planar part; And assembling set, part that this assembling set has annular planar partly and cylindrical shape suspends, annular planar partly is formed on the annular planar lower surface partly of car body assembling set, cylindrical shape suspends and partly extends downwards integratedly from the annular peripheral edge of annular planar part, wherein the upper springs holding device is made of the upper springs female part, the cylindrical shape projection that the upper springs female part has the annular planar part and projects upwards from annular planar annular inner edge partly, and by perimeter surface limited hole in it, the upper end face of the rear surface of the cylindrical shape projection of car body assembling set and the cylindrical shape projection of upper springs female part is arranged to toward each other, and wherein thrust slide bearing in annular space, annular space is by the cylindrical shape projection of car body assembling set, the annular planar part of assembling set, the cylindrical shape of the assembling set part that suspends, the annular planar part of upper springs female part, and the cylindrical shape projection of upper springs female part forms, make the inner tubular of annular base plate part of the upper shell part that suspends contact with the outer surface of the cylindrical shape projection of car body assembling set, the annular upper surface of the annular base plate of upper shell part partly contacts with the annular planar of assembling set, and the outer tubular cylindrical shape of outer surface mounted piece of the part internal surface partly that suspends that suspends centers on; And make the annular lower surface of annular base of lower shell body contact with the upper surface of the flat of upper springs female part, and the tubulose minor diameter internal surface of the annular base of lower shell body is centered on by the internal surface of the cylindrical shape projection of upper springs female part.
According to mounting structure of the present invention, when strut assemblies is rotated by steering operation, lower shell body rotates with respect to upper shell, and allows the smooth-going rotation of this lower shell body by the thrust sliding bearing between upper shell and lower shell body, allows to carry out steering operation thus smooth-goingly.In addition, when applying radial load, owing to radially slide the mutual slip between the synthetic resin in the supporting portion, between suspending the cylindrical outer surface of cylindrical form interior surface and the annular base of lower shell body of part, the outer tubular of the annular base plate part of upper shell maintains supported clearance simultaneously thereby energy allow radial load smooth-goingly.
Advantage of the present invention
According to the present invention, the mounting structure that a kind of low-cost thrust slide bearing can be provided and use the column support type suspension of this thrust slide bearing, this thrust slide bearing can be by not using radial sliding bearing form in upper shell and lower shell body and radially slide support and assign to make radial dimension less.
Brief description of the drawings
Fig. 1 is the sectional view of thrust slide bearing according to an embodiment of the invention;
Fig. 2 is the sectional view of lower shell body shown in Figure 1;
Fig. 3 is the local amplification view of the lower shell body shown in Fig. 2;
Fig. 4 is the sectional view of upper shell shown in Figure 1;
Fig. 5 is the local amplification view of upper shell shown in Figure 4;
Fig. 6 is the planimetric map of thrust sliding bearing shown in Figure 1;
Fig. 7 is that thrust sliding bearing shown in Figure 6 is along the sectional view of arrow VII – VII direction intercepting; And
Fig. 8 is to use the sectional view of the mounting structure of the column support type suspension of preferred embodiment according to the present invention of thrust sliding bearing shown in Figure 1.
Embodiment
Then, provide more detailed description of the present invention with reference to preferred embodiment shown in the accompanying drawing.Should be noted that the present invention is not limited to these embodiments.
Thrust slide bearing 1 according to the present invention comprises lower shell body 2 that synthetic resin makes, be stacked in the thrust sliding bearing 4 that upper shell 3 that the synthetic resin on the lower shell body 2 makes and the synthetic resin between upper shell 3 and lower shell body 2 are made.
For the outer tubular part 32 that suspends, its cylindrical outer surface 9 that has with lower shell body 2 forms the cylindrical form interior surface 31 that radially slides supporting portion, its wall thickness forms greater than the suspend wall thickness of part 29 of inner tubular, thereby strengthens intensity with respect to radial load.
Thrust sliding bearing 4 comprises: annular plate-like part 53, this annular plate-like part 53 have the cylindrical form interior surface that limits center hole 51; A pair of ring-shaped depression groove 56, this a pair of ring-shaped depression groove 56 is suitable for holding the oiling agent such as grease, and is respectively formed on the annular upper surface 54 of annular plate-like part 53 and the annular lower surface 55 and around center hole 51; And a plurality of radial depressions grooves 58, these a plurality of radial depressions grooves 58 are suitable for holding such as the oiling agent of grease and are formed on the annular upper surface 54 and annular lower surface 55 of annular plate-like part 53, the one end is to ring-shaped depression groove 56 openings, and its other end is outwardly open at cylindrical outer surface 57 places of annular plate-like part 53.
The internal diameter size of the cylindrical form interior surface 52 of the restriction center hole 51 of thrust sliding bearing 4 is greater than the outside dimension of the ring-shaped inner part vertical wall surface 61 of the restriction annular sunk part 10 of annular base 11, and the outside dimension of the cylindrical outer surface 57 of thrust sliding bearing 4 is less than the internal diameter size of the annular, outer vertical wall surface 62 of the restriction annular sunk part 10 of annular base 11.Oiling agent such as grease is filled in the annular upper surface 54 and ring-shaped depression groove 56 and radial depressions groove 58 on the annular lower surface 55 that is formed at annular plate-like part 53.
Thrust sliding bearing 4 is arranged in the ring-shaped depression part 36, its annular upper surface 54 is contacted slidably with the annular lower surface 33 of the restriction annular sunk part 36 of annular base plate part 25, thrust sliding bearing 4 also is arranged in the ring-shaped depression part 10, the ring-shaped depression part bottom surface 63 that makes joining with ring-shaped inner part vertical wall surface 61 and annular, outer vertical wall surface 62 associations of its annular lower surface 55 and annular base 11 and limit annular sunk part 10 contacts slidably, makes the annular upper surface 5 of annular base 11 of the annular lower surface 33 of annular base plate part 25 of upper shell 3 and lower shell body 2 be spaced apart from each other.Therefore, the annular upper surface 54 of annular plate-like part 53 is positioned at the plane of the opening top of wide ring-shaped depression part 10.
For the thrust slide bearing 1 with said structure, upper shell 3 is stacked on the lower shell body 2, make that the suspend tubular outer surface 34 of part 29 of the inner tubular of annular base plate part 25 is relative with the tubulose major diameter internal surface 8 of the annular base 11 of lower shell body 2, and gapped therebetween; And the suspend annular shoulder surface 14 of lower annular end surface 30 and the annular base 11 of lower shell body 2 of part 29 of inner tubular is relative, and gapped therebetween; Make at the radial direction wall thickness and contact slidably with the cylindrical outer surface 9 of the annular base 11 of lower shell body 2 greater than inner tubular the suspend cylindrical form interior surface 31 of part 32 of the outer tubular of part 29 that suspends; Inner tubular vertical wall segments 38 is arranged in the ring-shaped depression part 18; And loop-hook part 44 flexibly is fitted into annular and cooperates projection 20, cooperate projection 20 by the tubulose projection 19 and the tubuloses that are arranged on the inner tubular vertical wall segments 38 in the ring-shaped depression part 18 and be arranged in the ring-shaped depression part 42 thus, the cylindrical outer surface 9 of annular base 11 with respect to outer tubular suspend part 32 cylindrical form interior surface 31 speech the equipped part of elasticity and slidably form the hermetic unit that acts on based on the labyrinth between the contact segment.
According to this thrust slide bearing 1, can allow relatively rotating along the thrust load direction between upper shell 3 and the lower shell body 2 by the smooth-going slip of thrust sliding bearing part, the related side of smooth-going slip is arranged on the annular upper surface 54 of the thrust sliding bearing 4 in ring- shaped depression part 10 and 26, and the opposing party is the annular lower surface of the annular base plate part 25 of upper shell 3; Can allow simultaneously between upper shell 3 and the lower shell body 2 radially relatively rotating of load direction by the smooth-going slip that radially slides supporting portion, the related side of this smooth-going slip is the suspend cylindrical form interior surface of part 32 of the outer tubular of upper shell 3, and the opposing party is the cylindrical outer surface 9 of the annular base 11 of lower shell body 2.
In addition, for thrust slide bearing 1, thrust sliding bearing part is made of the annular lower surface 33 of the annular base plate part 25 of the annular upper surface 54 of thrust sliding bearing 4 and upper shell 3, and allow to slide with respect to relatively rotating of thrust load direction between upper shell 3 and the lower shell body 2 smooth-goingly, because this thrust sliding bearing partly is positioned at based on the hermetic unit of labyrinth effect and annular upper surface 5 tops of lower shell body 2, so can prevent from practice invading thrust sliding bearing part such as the foreign matter of dust from the inner periphery and the outer periphery surface side of thrust slide bearing 1, can avoid the trouble such as the inordinate wear of invading the thrust sliding bearing part that causes owing to these foreign matters thus as far as possible.In addition, radially sliding supporting portion is made of the suspend cylindrical outer surface 9 of annular base 11 of the cylindrical form interior surface 31 of part 32 and lower shell body 2 of the outer tubular of upper shell 3, and allow to slide with respect to relatively rotating of radial load direction between upper shell 3 and the lower shell body 2 smooth-goingly, by the hermetic unit based on the labyrinth effect, can prevent from practice invading the radial sliding bearing part such as the foreign matter of dust from the outer surface side of thrust slide bearing 1 as far as possible, also can avoid the trouble such as invade the inordinate wear that radially slides supporting portion that causes owing to these foreign matters thus.
The column support type suspension 72 that is used for motor vehicle is equipped with hydraulic damper (not shown) and the disc spring of being arranged to around hydraulic damper 71, and is installed to car body by means of mounting structure shown in Figure 8 73 by above-mentioned thrust slide bearing 1.
Be used for by thrust slide bearing 1 mounting structure 73 that column support type suspension 72 is installed to car body being comprised: be used for the piston rod 74 of hydraulic damper is installed to the erecting device 75 of car body and the upper springs holding device 76 that is used for admitting disc spring 71, and thrust slide bearing 1 is between erecting device 75 and upper springs holding device 76.
Erecting device 75 comprises: car body assembling set 78, and this car body assembling set 78 is fixed to car body by bolt 77; Assembling set 80, this assembling set 80 is connected to car body assembling set 78 integratedly, and around the suspend cylindrical outer surface 79 of part 32 of the annular upper surface 26 of the annular base plate part 25 of the upper shell 3 of thrust slide bearing 1 and outer tubular; And connection and fixing device 82, this connection and fixing device 82 are used for upper end portion 81 connections of the piston rod 74 of hydraulic damper and are fixed to car body assembling set 78.
Car body assembling set 78 comprises annular planar part 83 and cylindrical shape projection 85, annular planar part 83 is fixed to the car body side, and cylindrical shape projection 85 is outstanding and by perimeter surface limited hole 84 in it downwards integratedly from the annular inner edge of this annular planar part 83.
Assembling set 80 comprises annular planar part 87 and the cylindrical shape part 89 that suspends, annular planar part 87 has through hole 86 and is formed on the lower surface of annular planar part 86 of car body assembling set 78, and the cylindrical shape part 89 that suspends is extended downwards integratedly from the annular peripheral edge of this annular planar part 87.This assembling set 80 is connected to car body assembling set 78 integratedly, make annular planar part 87 be fitted into by through hole 86 on the outer surface of cylindrical shape projection 85 of car body assembling set 78, and make annular planar part 87 be attached to the lower surface of the annular planar part 83 of car body assembling set 78.
Upper springs holding device 76 is made of upper springs female part 93, upper springs female part 93 comprises annular planar part 90 and the cylindrical shape projection 92 that projects upwards integratedly from the annular inner edge of this annular planar part 90, and by perimeter surface limited hole 91 in it.It is relative with the rear surface 95 of the cylindrical shape projection 85 of car body assembling set 78 that the upper end face 94 of the cylindrical shape projection 92 of upper springs female part 93 is arranged to.
Connection and fixing device 82 comprise: outside coupling 96, this outside coupling 96 are equipped with and are fixed to the internal surface of car body assembling set 78 in its outer surface; Cyclic spring rubber body 97, this cyclic spring rubber body 97 joins outside coupling 96 to; Inner coupling 98, this inside coupling joins cyclic spring rubber body 97 to; And nut 99, this nut 99 is fixed to the upper end portion 81 of piston rod 74 by screw thread, and the inward flange of inner coupling 98 part and upper end portion 81 are clamped to together simultaneously.
According to mounting structure 73, when upper springs holding device 76 rotates with respect to erecting device 75 by steering operation, lower shell body 2 rotates with respect to upper shell 3, and allow this lower shell body 2 to rotate by the thrust sliding bearing 4 between upper shell 3 and lower shell body 2 smooth-goingly, allow to carry out steering operation thus smooth-goingly.In addition, when applying radial load, owing to radially slide the mutual slip between the synthetic resin in the supporting portion, between suspending the cylindrical outer surface 9 of cylindrical form interior surface 31 and the annular base 11 of lower shell body 2 of part 32, the outer tubular of the annular base plate part 25 of upper shell 3 maintains supported clearance simultaneously thereby energy allow radial load smooth-goingly.
In addition, equally for mounting structure 73, because the thrust sliding bearing that is arranged in the annular space 101 of thrust slide bearing 1 partly is positioned at above annular upper surface 5 and the hermetic unit based on the labyrinth effect, so can prevent from practice invading this thrust sliding bearing part such as the foreign matter of dust from the inner periphery and the outer periphery surface side of thrust slide bearing 1, can avoid the trouble such as the inordinate wear of invading the thrust sliding bearing part that causes owing to these foreign matters thus as far as possible.In addition, radially sliding supporting portion is made of the suspend cylindrical outer surface 9 of annular base 11 of the cylindrical form interior surface 31 of part 32 and lower shell body 2 of the outer tubular of upper shell 3, and allow to slide with respect to relatively rotating of radial load direction between upper shell 3 and the lower shell body 2 smooth-goingly, by the hermetic unit based on the labyrinth effect, can prevent from practice invading the radial sliding bearing part such as the foreign matter of dust from the outer surface side of thrust slide bearing 1 as far as possible, also can avoid the trouble such as invade the inordinate wear that radially slides supporting portion that causes owing to these foreign matters thus.
The explanation of reference character
1: thrust slide bearing
2: lower shell body
3: upper shell
4: the thrust sliding bearing
Claims (2)
1. thrust slide bearing comprises: the lower shell body that synthetic resin is made, be stacked in the thrust sliding bearing that upper shell that the synthetic resin on the described lower shell body makes and the synthetic resin between described upper shell and described lower shell body are made;
Wherein said lower shell body comprises: annular base, described annular base have annular upper surface and annular lower surface and tubulose minor diameter internal surface, tubulose major diameter internal surface and be arranged in described annular upper surface and described annular lower surface between cylindrical outer surface, and have the first ring-shaped depression part that is arranged on the described annular upper surface; Small diameter bore, described small diameter bore are limited by the tubulose minor diameter internal surface of described annular base and at the described annular lower surface place of described annular base opening; Large diameter hole, described large diameter hole are limited by the tubulose major diameter internal surface of described annular base and at the described annular upper surface place of described annular base opening; The annular shoulder surface, extend from described tubulose minor diameter internal surface at place, all ends in the annular of described tubulose minor diameter internal surface, described annular shoulder surface, and extend from described tubulose major diameter internal surface at the annular peripheral end place of described tubulose major diameter internal surface; Annular protruding portion, described annular protruding portion is outstanding from the underpart radially outward of described cylindrical outer surface; Tubulose projection, described tubulose projection are arranged on the annular upper surface of described annular protruding portion and join by the annular upper surface association of its tubular inner surface and described cylindrical outer surface and described annular protruding portion and limit the second ring-shaped depression part; And annular cooperation projection, described annular cooperates projection outstanding from the tubular outer surface radially outward of described tubulose projection;
Wherein said upper shell comprises: the annular base plate part; The inner tubular part that suspends, described inner tubular suspends and partly is arranged to integratedly suspend downwards from the annular upper surface of described annular base plate part on the tubular inner surface of described annular base plate part, and limits the center hole concentric with described small diameter bore by its tubular inner surface; The heavy wall outer tubular part that suspends, described heavy wall outer tubular suspends and partly is arranged to integratedly suspend from the described annular upper surface of described annular base plate part on the tubular outer surface of described annular base plate part, and extend downwards from the suspend lower annular end surface of part of described inner tubular, and have cylindrical form interior surface; The 3rd ring-shaped depression part, described the 3rd ring-shaped depression part is limited by annular lower surface, the described inner tubular of described annular base plate part the suspend described cylindrical form interior surface of part of the tubular outer surface of part and described outer tubular that suspends; Inner tubular vertical wall segments and outer tubular vertical wall segments, described inner tubular vertical wall segments and outer tubular vertical wall segments from described outer tubular suspend the part lower annular end surface arrange downward vertically; Fourth Ring shape sunk part, described Fourth Ring shape sunk part by described outer tubular suspend the part described lower annular end surface, the tubular outer surface of described inner tubular vertical wall segments and the tubular inner surface of described outer tubular vertical wall segments limit; The annular mating part, described annular mating part is outstanding downwards from the lower annular end surface of described outer tubular vertical wall segments; And the loop-hook part, described loop-hook part is radially inwardly outstanding from the tubular inner surface of described annular mating part, and
Wherein said thrust sliding bearing is arranged in described the 3rd ring-shaped depression part, its annular upper surface is contacted slidably with the described annular lower surface of described the 3rd ring-shaped depression part of the restriction of described annular base plate part, described thrust sliding bearing also is arranged in described first ring-shaped depression part, the ring-shaped depression part bottom surface of described first ring-shaped depression part of its annular lower surface and the restriction of described annular base is contacted slidably, make the described annular upper surface of described annular base of the described annular lower surface of described annular base plate part of described upper shell and described lower shell body be spaced apart from each other
Described upper shell is stacked on the described lower shell body, makes that the suspend lower annular end surface of part of the inner tubular of described upper shell is surperficial relative with described annular shoulder, and gapped therebetween; Make at the radial direction wall thickness and contact slidably with the described cylindrical outer surface of the described annular base of described lower shell body greater than described inner tubular the suspend described cylindrical form interior surface of part of the outer tubular of described upper shell of part that suspends; The inner tubular vertical wall segments of described upper shell is arranged in described second ring-shaped depression part; And the loop-hook of described upper shell part flexibly is fitted into described annular and cooperates projection; Cooperate projection by the described tubulose projection and the described tubulose that are arranged on the described inner tubular vertical wall segments in described second ring-shaped depression part and be arranged in the shape sunk part of described Fourth Ring thus, the described cylindrical outer surface of described annular base with respect to described outer tubular suspend for the described cylindrical form interior surface of part the equipped part of described elasticity and slidably form hermetic unit based on the labyrinth effect between the contact segment.
2. one kind is used for and will be installed to the mounting structure of car body by thrust slide bearing as claimed in claim 1 for the column support type suspension of motor vehicles, described column support type suspension is equipped with hydraulic damper and the disc spring of being arranged to around described hydraulic damper, described mounting structure comprises: be used for the piston rod of described hydraulic damper is installed to the erecting device of described car body and the upper springs holding device that is used for admitting described disc spring, described thrust bearing is between described erecting device and described upper springs holding device
Wherein said erecting device comprises: the car body assembling set, described car body assembling set comprises annular planar part and cylindrical shape projection, described annular planar is fixed to the car body side, and described cylindrical shape projection is outstanding and by perimeter surface limited hole in it downwards integratedly from the annular inner edge of described annular planar part; And assembling set, part that described assembling set has annular planar partly and cylindrical shape suspends, described annular planar partly is formed on the described annular planar lower surface partly of described car body assembling set, described cylindrical shape suspends and partly extends downwards integratedly from the annular peripheral edge of described annular planar part
Wherein said upper springs holding device is made of the upper springs female part, the cylindrical shape projection that described upper springs female part has the annular planar part and projects upwards from described annular planar annular inner edge partly, and by perimeter surface limited hole in it, the upper end face of the rear surface of the described cylindrical shape projection of described car body assembling set and the described cylindrical shape projection of described upper springs female part is arranged to toward each other, and
Wherein said thrust slide bearing is in annular space, described annular space is by the described cylindrical shape projection of described car body assembling set, the described annular planar part of described assembling set, the described cylindrical shape of the described assembling set part that suspends, the described annular planar part of described upper springs female part, and the described cylindrical shape projection of described upper springs female part forms, make the described inner tubular of described annular base plate part of the described upper shell part that suspends contact with the outer surface of the described cylindrical shape projection of described car body assembling set, the described annular upper surface of the described annular base plate part of described upper shell partly contacts with the described annular planar of described assembling set, and the suspend outer surface of part of described outer tubular is centered on by the described cylindrical shape of the described assembling set internal surface partly that suspends; And make the described annular lower surface of described annular base of described lower shell body contact with the upper surface of the described flat of described upper springs female part, and the tubulose minor diameter internal surface of the described annular base of described lower shell body is centered on by the internal surface of the described cylindrical shape projection of described upper springs female part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510500158.XA CN105134761B (en) | 2011-01-07 | 2011-12-20 | The mounting structure of the strut type suspension of thrust slide bearing and the use thrust slide bearing |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-002510 | 2011-01-07 | ||
| JP2011002510A JP5673110B2 (en) | 2011-01-07 | 2011-01-07 | Thrust slide bearing and strut suspension mounting structure using this thrust slide bearing |
| PCT/JP2011/007110 WO2012093450A1 (en) | 2011-01-07 | 2011-12-20 | Thrust sliding bearing and mounting structure of a strut-type suspension using said thrust sliding bearing |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510500158.XA Division CN105134761B (en) | 2011-01-07 | 2011-12-20 | The mounting structure of the strut type suspension of thrust slide bearing and the use thrust slide bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103314224A true CN103314224A (en) | 2013-09-18 |
| CN103314224B CN103314224B (en) | 2016-03-23 |
Family
ID=46457319
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180064177.2A Active CN103314224B (en) | 2011-01-07 | 2011-12-20 | The mounting structure of the strut type suspension of thrust slide bearing and this thrust slide bearing of use |
| CN201510500158.XA Active CN105134761B (en) | 2011-01-07 | 2011-12-20 | The mounting structure of the strut type suspension of thrust slide bearing and the use thrust slide bearing |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510500158.XA Active CN105134761B (en) | 2011-01-07 | 2011-12-20 | The mounting structure of the strut type suspension of thrust slide bearing and the use thrust slide bearing |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US8740233B2 (en) |
| EP (1) | EP2662580B1 (en) |
| JP (1) | JP5673110B2 (en) |
| CN (2) | CN103314224B (en) |
| BR (1) | BR112013014150B1 (en) |
| RU (2) | RU2542839C1 (en) |
| WO (1) | WO2012093450A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11168738B2 (en) | 2017-12-20 | 2021-11-09 | Schaeffler Technologies AG & Co. KG | Strut bearing |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5673110B2 (en) * | 2011-01-07 | 2015-02-18 | オイレス工業株式会社 | Thrust slide bearing and strut suspension mounting structure using this thrust slide bearing |
| JP5842402B2 (en) * | 2011-06-20 | 2016-01-13 | オイレス工業株式会社 | Thrust sliding bearing |
| JP2013148132A (en) * | 2012-01-17 | 2013-08-01 | Oiles Corp | Thrust sliding bearing |
| DE102013201965A1 (en) * | 2013-02-07 | 2014-08-07 | Schaeffler Technologies Gmbh & Co. Kg | Strut mounts |
| JP6017340B2 (en) * | 2013-02-15 | 2016-10-26 | オイレス工業株式会社 | Synthetic plastic plain bearing |
| JP6322889B2 (en) * | 2013-02-15 | 2018-05-16 | オイレス工業株式会社 | Synthetic plastic plain bearing |
| US9708923B2 (en) * | 2013-11-13 | 2017-07-18 | Dresser-Rand Company | Adjustable labyrinth seal |
| US9434228B1 (en) | 2015-07-28 | 2016-09-06 | Honda Motor Co., Ltd. | Vehicle component mounting apparatus, and methods of use and manufacture thereof |
| KR102136479B1 (en) * | 2016-06-24 | 2020-07-22 | 오일레스고교 가부시키가이샤 | Automotive thrust bearings |
| CN106050925A (en) * | 2016-07-29 | 2016-10-26 | 常州市莱特气弹簧有限公司 | Plastic plane bearing of pneumatic rod |
| DE102017103940B4 (en) * | 2017-02-24 | 2020-06-18 | Vibracoustic Gmbh | Plain bearing for a support bearing |
| JP6917290B2 (en) * | 2017-12-12 | 2021-08-11 | オイレス工業株式会社 | Plain bearing |
| DE102019208307A1 (en) * | 2019-06-06 | 2020-12-10 | Aktiebolaget Skf | Suspension axial bearing device and a strut equipped with such a device |
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| JP4099996B2 (en) * | 2002-01-22 | 2008-06-11 | オイレス工業株式会社 | Thrust sliding bearing |
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- 2011-01-07 JP JP2011002510A patent/JP5673110B2/en active Active
- 2011-12-20 RU RU2013126067/11A patent/RU2542839C1/en not_active IP Right Cessation
- 2011-12-20 CN CN201180064177.2A patent/CN103314224B/en active Active
- 2011-12-20 US US13/977,241 patent/US8740233B2/en active Active
- 2011-12-20 EP EP11855018.5A patent/EP2662580B1/en active Active
- 2011-12-20 RU RU2014153238/11A patent/RU2583827C1/en not_active IP Right Cessation
- 2011-12-20 BR BR112013014150-6A patent/BR112013014150B1/en active IP Right Grant
- 2011-12-20 WO PCT/JP2011/007110 patent/WO2012093450A1/en active Application Filing
- 2011-12-20 CN CN201510500158.XA patent/CN105134761B/en active Active
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2014
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| US11168738B2 (en) | 2017-12-20 | 2021-11-09 | Schaeffler Technologies AG & Co. KG | Strut bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012145147A (en) | 2012-08-02 |
| US9267544B2 (en) | 2016-02-23 |
| WO2012093450A1 (en) | 2012-07-12 |
| EP2662580A4 (en) | 2014-05-21 |
| BR112013014150A2 (en) | 2016-09-27 |
| CN105134761A (en) | 2015-12-09 |
| CN103314224B (en) | 2016-03-23 |
| JP5673110B2 (en) | 2015-02-18 |
| US8740233B2 (en) | 2014-06-03 |
| EP2662580B1 (en) | 2018-03-14 |
| EP2662580A1 (en) | 2013-11-13 |
| RU2542839C1 (en) | 2015-02-27 |
| CN105134761B (en) | 2017-11-10 |
| US20140225344A1 (en) | 2014-08-14 |
| BR112013014150B1 (en) | 2021-03-16 |
| RU2583827C1 (en) | 2016-05-10 |
| US20130270790A1 (en) | 2013-10-17 |
| RU2013126067A (en) | 2015-02-20 |
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